Re-land "view permission" feature (r179916) with Mac Fix.

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
index 559d261e8336a672319f6e0914083cef29b99576..21c798dd96b3351624beacf9d912de211114cea3 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
@@ -307,6 +307,8 @@ void ExtensionSettingsHandler::GetLocalizedValues(
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_RELOAD_UNPACKED));
   source->AddString("extensionSettingsOptions",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_OPTIONS_LINK));
+  source->AddString("extensionSettingsPermissions",
+      l10n_util::GetStringUTF16(IDS_EXTENSIONS_PERMISSIONS_LINK));
   source->AddString("extensionSettingsActivity",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_ACTIVITY_LINK));
   source->AddString("extensionSettingsVisitWebsite",
@@ -401,6 +403,9 @@ void ExtensionSettingsHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("extensionSettingsOptions",
       base::Bind(&ExtensionSettingsHandler::HandleOptionsMessage,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("extensionSettingsPermissions",
+      base::Bind(&ExtensionSettingsHandler::HandlePermissionsMessage,
+                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("extensionSettingsShowButton",
       base::Bind(&ExtensionSettingsHandler::HandleShowButtonMessage,
                  base::Unretained(this)));
@@ -509,6 +514,14 @@ void ExtensionSettingsHandler::ExtensionWarningsChanged() {
   MaybeUpdateAfterNotification();
 }
 
+void ExtensionSettingsHandler::InstallUIProceed() {
+  // This should never happen. The dialog only has a cancel button.
+  NOTREACHED();
+}
+
+void ExtensionSettingsHandler::InstallUIAbort(bool user_initiated) {
+}
+
 void ExtensionSettingsHandler::ReloadUnpackedExtensions() {
   const ExtensionSet* extensions = extension_service_->extensions();
   std::vector<const Extension*> unpacked_extensions;
@@ -798,6 +811,18 @@ void ExtensionSettingsHandler::HandleOptionsMessage(const ListValue* args) {
           chrome::FindBrowserWithWebContents(web_ui()->GetWebContents()));
 }
 
+void ExtensionSettingsHandler::HandlePermissionsMessage(const ListValue* args) {
+  std::string extension_id(UTF16ToUTF8(ExtractStringValue(args)));
+  CHECK(!extension_id.empty());
+  const Extension* extension =
+      extension_service_->GetExtensionById(extension_id, true);
+  if (!extension)
+    return;
+
+  prompt_.reset(new ExtensionInstallPrompt(web_contents()));
+  prompt_->ReviewPermissions(this, extension);
+}
+
 void ExtensionSettingsHandler::HandleShowButtonMessage(const ListValue* args) {
   const Extension* extension = GetActiveExtension(args);
   if (!extension)